# def get_sum(*arges):
#     sum1=0
#     for i in arges:
#         sum1+=i
#     return sum1
#
# if __name__ == '__main__':
#     get_sum(1,2,3)
#     print(get_sum(1, 2, 3))

# s1='刘亦菲'
# s2='胡歌'
# list1=([s1]+[s2])
# print(list1)
#
# s1=list1[0]
# s2=list1[1]
# print(s1,s2)

a=10
b=20
b,a=a,b
print(f'a={a},b={b}')